628717-39-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 628717-39-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,8,7,1 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 628717-39:
(8*6)+(7*2)+(6*8)+(5*7)+(4*1)+(3*7)+(2*3)+(1*9)=185
185 % 10 = 5
So 628717-39-5 is a valid CAS Registry Number.
628717-39-5Relevant articles and documents
Process for making n-(diphenylmethyl)piperazines
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Page/Page column 8, (2009/06/27)
The compound of formula (8), in racemic or single enantiomeric form, is useful in making N-(diphenylmethyl)-piperazines such as cetirizine and levocetrizine. wherein Z is preferably phenyl.